Replacement filters for this system. Filter cartridges should be changed every 6-12 months under domestic conditions. Filter life varies and depends on the water source quality. The item "12 Stage UV DI PH 5-1 Alkaline 50GPD Drinking Ro System with CP Designer Faucet" is in sale since Thursday, October 17, 2019. This item is in the category "Home & Garden\Kitchen, Dining & Bar\Small Kitchen Appliances\Water Purification\Water Filters".usa" and is located in Tonawanda, New York. This item can be shipped to United States, all countries in Europe, Canada, Australia, Japan, China, South Korea, Indonesia, Taiwan, South africa, Thailand, Hong Kong, Bahamas, Israel, Mexico, New Zealand, Philippines, Singapore, Saudi arabia, United arab emirates, Qatar, Kuwait, Bahrain, Malaysia, Brazil, Chile, Colombia, Costa rica, Panama, Trinidad and tobago, Guatemala, Honduras, Jamaica, Antigua and barbuda, Aruba, Belize, Dominica, Grenada, Saint kitts and nevis, Saint lucia, Montserrat, Turks and caicos islands, Barbados, Bangladesh, Bermuda, Brunei darussalam, Bolivia, Ecuador, Egypt, French guiana, Guadeloupe, Jordan, Cambodia, Cayman islands, Sri lanka, Macao, Martinique, Maldives, Nicaragua, Oman, Peru, Pakistan, Paraguay, Reunion, Viet nam, Uruguay.